Caenimonas soli sp. nov., isolated from soil

A non-motile, Gram-stain-negative, rod-shaped bacterium, designated strain S4^T, was obtained from soil sampled at Wonju, Gyeonggi-do, Republic of Korea. Cells were white-coloured, aerobic, grew optimally at 25-32 °C on R2A agar plate. A phylogenetic analysis based on its 16S rRNA gene sequence revealed that strain S4^T formed a lineage within the family Comamonadaceae. The closest members were Caenimonas terrae SGM1-15^T (98.1% sequence similarity), Caenimonas koreensis EMB320^T (97.5%) and Ramlibacter solisilvae 5-10^T (97.8%). The sequence similarities of strain S4^T with other members of the family Comamonadaceae were ≤ 97.5%. The sole respiratory quinone was ubiquinone-8 (Q-8) and the principal polar lipid was phosphatidylethanolamine. The predominant cellular fatty acids were summed feature 3 (iso-C_15 :0 2-OH/C_16 :1 ω7c), C_16:0 and summed feature 8 (C_18:1 ω7c and/or C_18:1 ω6c). The DNA G + C content was 65.1 mol%. In addition, the average nucleotide identity (ANIu) and in silico DNA-DNA hybridization (dDDH) relatedness values between strain S4^T and Caenimonas koreensis were 77.6 and 21%, respectively. Based on genomic, chemotaxonomic, phenotypic, and phylogenetic analyses, strain S4^T represents a novel species in the genus Caenimonas, for which the name Caenimonas soli sp. nov. is proposed. The type strain is S4^T (= KCTC 72742^T = NBRC 114610^T).